string(230) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%BE%AE%E4%BF%A1%E5%A2%9E%E5%8A%A0%E7%B2%89%E4%B8%9D%E7%9A%84%E6%96%B9%E6%B3%95 => Received HTTP code 403 from proxy after CONNECT"
微信增加粉丝的方法
